(1978). Characteristics of urban transportation demand: A handbook for transportation planners. National Technical Information Service.
Cita Chicago (17th ed.)Characteristics of Urban Transportation Demand: A Handbook for Transportation Planners. Alexandría: National Technical Information Service, 1978.
Cita MLA (9th ed.)Characteristics of Urban Transportation Demand: A Handbook for Transportation Planners. National Technical Information Service, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.